<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<swiper :circular="true" :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)" ></image>
			</swiper-item>
		</swiper>
		
		<view class="goods-info-box">
			<view class="price">
				￥{{goods_info.goods_price}}
			</view>
			<view class="goods-info-body">
				<view class="goods-name">
					{{goods_info.goods_name}}
				</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<view class="yf">
				快递：免运费
			</view>
		</view>
		
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<view class="goods_nav">
			<uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	
	export default {
		computed:{
			...mapState('m_cart',[]),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			// total(newVal){
			// const findResult=	this.options.find(x=>x.text==='购物车')
			// if(findResult){
			// 	findResult.info=newVal
			// }
			// }
			total:{
				handler(newVal){
					const findResult=	this.options.find(x=>x.text==='购物车')
					if(findResult){
						findResult.info=newVal
					}
				},
				immediate:true
			}
		},
		data() {
			return {
				goods_info: {},
				options: [ {
							icon: 'shop',
							text: '店铺',
							infoBackgroundColor:'#007aff',
							infoColor:"red"
						}, {
							icon: 'cart',
							text: '购物车',
							info: 0
						}],
					    buttonGroup: [{
					      text: '加入购物车',
					      backgroundColor: '#ff0000',
					      color: '#fff'
					    },
					    {
					      text: '立即购买',
					      backgroundColor: '#ffa200',
					      color: '#fff'
					    }
					    ]
			};
		},
		onLoad(options) {
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods: {
			...mapMutations('m_cart',['addToCart']),
			async getGoodsDetail(goods_id) {
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/detail', {
					goods_id
				})
				if (res.meta.status !== 200) return uni.$showMsg
				res.message.goods_introduce=res.message.goods_introduce.replace(/<img/g,'<img style="display:block;"')
				this.goods_info=res.message
			},
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x=>x.pics_big)
				})
			},
			onClick(e){
				if(e.content.text==='购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buttonClick(e){
				if (e.content.text === '加入购物车') {
				  // 组织商品的信息对象
				  // { goods_id, goods_name, goods_price, goods_count, goods_small_logo, goods_state }
				  const goods = {
				    goods_id: this.goods_info.goods_id,
				    goods_name: this.goods_info.goods_name,
				    goods_price: this.goods_info.goods_price,
				    goods_count: 1,
				    goods_small_logo: this.goods_info.goods_small_logo,
				    goods_state: true
				  }
				
				  // 调用 addToCart 方法
				  this.addToCart(goods)
				}
			}
		}

	}
</script>

<style lang="scss">
swiper{
	height: 750rpx;
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	padding: 10px;
	padding-right: 0;
	.price{
		color: #c00000;
		font-size: 18px;
		margin: 10px 0;
		}
		.goods-info-body{
			display: flex;
			justify-content: space-between;
			.goods-name{
				font-size: 13px;
				margin-right: 10px;
			}
			.favi{
				width: 120px;
				font-size: 12px;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				border-left: 1px solid #efefef;
				color: gray;
			}
		
		.yf{
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}
	}
}
.goods_nav{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
}
.goods-detail-container{
	padding-bottom: 50px;
}
</style>
